Home / 404,272,635.90-606,408,953.85-145,496,298.30

Finding the Fourth Proportional to 404,272,635.90, 606,408,953.85 and 145,496,298.30

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Solution

The fourth proportional to 404,272,635.90, 606,408,953.85 and 145,496,298.30 is: 218,244,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,272,635.90 : 606,408,953.85 = 145,496,298.30 : x
  2. Step 2: Convert to fraction form
    404,272,635.90/606,408,953.85 = 145,496,298.30/x
  3. Step 3: Cross multiply
    404,272,635.90x = 606,408,953.85 × 145,496,298.30
  4. Step 4: Simplify right side
    404,272,635.90x = 88,230,258,041,150,544
  5. Step 5: Solve for x
    x = 88,230,258,041,150,544/404,272,635.90
  6. Step 6: Final answer
    x = 218,244,447.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.